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v3.25.3

Debt (Tables) | 9 Months Ended
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Sep. 30, 2025
Debt Disclosure [Abstract] |
Debt Table | Debt at each of the balance sheet periods consisted of the following Senior Notes:
($ in millions) |  |  |  | September 30, 2025 |  | September 30, 2024 |  | December 31, 2024
Principal Amount | Interest Rate | Issuance Date | Maturity Date | Carrying Value |  | Fair Value |  | Carrying Value |  | Fair Value |  | Carrying Value |  | Fair Value
$ | 500 |  | 2.45 |  | % | August 2016 | 2027 | $ | 499 |  |  | $ | 491 |  |  | $ | 499 |  |  | $ | 483 |  |  | $ | 499 |  |  | $ | 479 |
500 |  | 2.50 |  |  | March 2022 | 2027 | 499 |  |  | 490 |  |  | 498 |  |  | 482 |  |  | 499 |  |  | 479 |
300 |  | 6 5/8 |  | March 1999 | 2029 | 298 |  |  | 323 |  |  | 298 |  |  | 330 |  |  | 298 |  |  | 320 |
550 |  | 4.00 |  |  | October 2018 | 2029 | 548 |  |  | 550 |  |  | 547 |  |  | 549 |  |  | 547 |  |  | 534 |
500 |  | 3.20 |  |  | March 2020 | 2030 | 498 |  |  | 481 |  |  | 498 |  |  | 476 |  |  | 498 |  |  | 462 |
500 |  | 3.00 |  |  | March 2022 | 2032 | 497 |  |  | 461 |  |  | 497 |  |  | 458 |  |  | 497 |  |  | 439 |
400 |  | 6.25 |  |  | November 2002 | 2032 | 397 |  |  | 445 |  |  | 397 |  |  | 450 |  |  | 397 |  |  | 430 |
500 |  | 4.95 |  |  | May 2023 | 2033 | 497 |  |  | 514 |  |  | 497 |  |  | 519 |  |  | 497 |  |  | 495 |
350 |  | 4.35 |  |  | April 2014 | 2044 | 347 |  |  | 308 |  |  | 347 |  |  | 319 |  |  | 347 |  |  | 298 |
400 |  | 3.70 |  |  | January 2015 | 2045 | 396 |  |  | 320 |  |  | 396 |  |  | 331 |  |  | 396 |  |  | 308 |
850 |  | 4.125 |  |  | April 2017 | 2047 | 843 |  |  | 716 |  |  | 842 |  |  | 750 |  |  | 842 |  |  | 684 |
600 |  | 4.20 |  |  | March 2018 | 2048 | 591 |  |  | 510 |  |  | 591 |  |  | 532 |  |  | 591 |  |  | 490 |
500 |  | 3.95 |  |  | March 2020 | 2050 | 492 |  |  | 404 |  |  | 491 |  |  | 420 |  |  | 491 |  |  | 386 |
500 |  | 3.70 |  |  | March 2022 | 2052 | 494 |  |  | 385 |  |  | 494 |  |  | 399 |  |  | 494 |  |  | 369 |
Total |  |  |  |  | $ | 6,896 |  |  | $ | 6,398 |  |  | $ | 6,892 |  |  | $ | 6,498 |  |  | $ | 6,893 |  |  | $ | 6,173 |

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